3.141592653589793238462643383279502884197169399375105820974944592307816406286
3.14
Hiroyuki Goto of Tokyo, Japan.
The record for memorizing digits of pi, certified by Guinness World Records, is 67,890 digits, recited in China by Lu Chao in 24 hours and 4 minutes on 20 November 2005.
3.1415926535...
The area of the full circle is (pi R2) = (25 pi) square inches. The full circumference is (2 pi R) = (10 pi) inches. An arc length of 10 is [ 10/(10 pi) ] = ( 1 / pi ) of the full circle. So the area of the sector is (full area / pi) = (25 pi) / pi = 25 square inches
3.14
Hiroyuki Goto of Tokyo, Japan.
Mine had 10.
The value of Pi is 3.14159, but the first 10 digits are 3.141592658
π (pi) = 3.141592653
The record for memorizing digits of pi, certified by Guinness World Records, is 67,890 digits, recited in China by Lu Chao in 24 hours and 4 minutes on 20 November 2005.
3.141592653
There are no didgits. None! They do not exist! There are ten digits 0, 1, ... 9 which represent the first ten numbers. Beyond that, numbers are represented using the same ten digits but this is done using the idea of place values.
I believe they are 3.1415926535
3.1415926535...
The fifth digit of pi is 5. The first 10 digits are 3.141592653
16